spu: make "simple" interpolation even more simple

[pcsx_rearmed.git] / frontend / pcnt.h

diff --git a/frontend/pcnt.h b/frontend/pcnt.h
index 0aca901..3969aa4 100644 (file)
--- a/frontend/pcnt.h
+++ b/frontend/pcnt.h
@@ -49,13 +49,25 @@ static inline void pcnt_print(float fps)
        }
 
        printf("%4.1f ", fps);
+#if 0
+       static float pcounters_all[PCNT_CNT+1];
+       static int pcounter_samples;
+       pcounter_samples++;
+
+       for (i = 1; i < PCNT_CNT; i++) {
+               pcounters_all[i] += pcounters[i];
+               printf("%5.0f ", pcounters_all[i] / pcounter_samples);
+       }
+       pcounters_all[i] += rem;
+       printf("%5.0f\n", pcounters_all[i] / pcounter_samples);
+#else
        for (i = 1; i < PCNT_CNT; i++)
                printf("%5u ", pcounters[i]);
        printf("%5u (", rem);
        for (i = 1; i < PCNT_CNT; i++)
                printf("%2u ", pcounters[i] * 100 / total);
        printf("%2u) %u\n", rem * 100 / total, total);
-
+#endif
        memset(pcounters, 0, sizeof(pcounters));
 }
 
@@ -71,6 +83,19 @@ static inline unsigned int pcnt_get(void)
        return val;
 }
 
+static inline void pcnt_init(void)
+{
+#ifdef __ARM_ARCH_7A__
+       int v;
+       asm volatile("mrc p15, 0, %0, c9, c12, 0" : "=r"(v));
+       v |= 5; // master enable, ccnt reset
+       v &= ~8; // ccnt divider 0
+       asm volatile("mcr p15, 0, %0, c9, c12, 0" :: "r"(v));
+       // enable cycle counter
+       asm volatile("mcr p15, 0, %0, c9, c12, 1" :: "r"(1<<31));
+#endif
+}
+
 #else
 
 #define pcnt_start(id)